Snorkel mask



FIG. 1 is a front perspective view of the snorkel mask in accordance with my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a second rear perspective view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof, the left side view being a mirror image thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings depict portions of the snorkel mask that form no part of the claimed design. 

CLAIM The ornamental design for a snorkel mask, as shown and described. 